42-303-30793
Final Completion(STEPHENSON) BILL R.
LUBBOCK County · District 8 · ZEPHYR PETROLEUM COMPANY · ROBERTSON-ZEPHYR (CLEARFORK)
Permits
1
Max Depth
5,650 ft
First Permit
1982-02-22
Latest Activity
1982-02-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1982-05-12
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ZEPHYR PETROLEUM COMPANY ≠ Production: TEXLAND PETROLEUM, L.P. (reported 2026-04)
Resolved via: production → TEXLAND PETROLEUM, L.P.
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
700 bbl/d
Max Pressure
1,500 psi
Injection Interval
5,002–5,650 ft
Injected (12mo)
—
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 3,255 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GLORIETA | 4,658 ft | -1,403 ft |
| GLORIETTA (Glorieta) | 4,658 ft | -1,403 ft |
| UPPER CLEARFORK (Clear Fork) | 4,786 ft | -1,531 ft |
| ROBERTSON ZEPHYR CLF | 5,002 ft | -1,747 ft |
| ROBERTSON ZEPHYR CLRK | 5,002 ft | -1,747 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 5,292–5,604 ft | Perforated |
| 5,435–5,002 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 454 ft | 300 sx |
| 2.375" | 5,490 ft | — |
| 4.5" | 5,650 ft | 425 sx |
Permit History (1)
Applications (1)
Records & Logs
6 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 16-4
- Max Depth
- 5,650 ft
- Drill Type
- Vertical
- County
- LUBBOCK
- District
- 8
- Operator
- ZEPHYR PETROLEUM COMPANY
- Completed
- 1982-05-12
Operator
- Name
- ZEPHYR PETRO CO
- Location
- FORT WORTH
- P-5 Status
- Inactive (filed 1991-09-06)
- Total Permits
- 28